When I was in elementary school, the powder at the school gate was super cheap, a bowl of bean powder with 30 cents, pork with 50 cents, sesame paste with 30 cents and fried dough sticks with 20 cents and a half!

Later, when I was in junior high school, I rode to the entrance of the village primary school next to our town to eat powder, a bowl of 50 cents, meat foam, pig blood, dried tofu, vegetables and soybean soup. That's the most cost-effective powder I've ever eaten! It was 2006!